JP4629407B2 - Card with latent image. - Google Patents

Description

  The present invention relates to a card having an excellent anti-counterfeiting effect that can be easily manufactured without using a material such as special ink and that can be judged by visual observation.

Conventionally, as a printed matter using a latent image or watermark to prevent counterfeiting and tampering, various patterns are printed on either the front or back side of the printing medium with lines, halftone dots, etc., and on the other side, lines, halftone dots are printed. Various patterns consisting of image lines with a pattern to be a latent image are printed so that the printing positions match each other, and when this front and back pattern composite print is viewed through light, the front and back patterns are combined to form a latent image. Is an anti-counterfeit printed material composed of a light-transmitting laminate that has a latent image that appears as a continuous-tone image (see, for example, Patent Document 1), and is at least one layer between layers of the laminate. An anti-counterfeit printed matter having a watermark pattern in which two or more concealing layers having a pattern composed of openings that do not overlap with each other are laminated, and having a gradation pattern resulting from a combination of patterns (for example, Patent Document 2) Irradiation), and the like are known.
Japanese Patent Laid-Open No. 5-139022 JP-A-9-156199

  However, in the front and back pattern composite printed matter subjected to the above-described latent image, various patterns are printed on the front or back side of the printing medium with lines, halftone dots, etc., and on the other side, the latent images are printed on the lines, halftone dots, etc. It is necessary to print various patterns consisting of image lines with patterns to be printed so that the printing positions are aligned with each other. Also, in the forgery-preventing printed matter, at least a part of each other is interposed between the layers of the light transmissive laminate. It is necessary to laminate two or more concealing layers having a pattern constituted by openings that do not overlap with each other, both of which have complicated constructions, and the manufacturing process becomes complicated and the cost increases. have.

  The objective of this invention is providing the card | curd which has the outstanding anti-counterfeit effect which can be produced simply without using materials, such as special ink, and can authenticate authenticity visually.

A card background pattern design layer is formed over the entire surface outermost surface of one side of the card substrate layer, the tint block pattern layer is fine individual characters, various symbols, such as ten thousand lines and halftone dots The pattern is composed of a continuous set of patterns, and the patterns such as the fine individual characters, various symbols, lines and halftone dots in a part of the region exhibit a predetermined color tone including a matting agent. The second ink which is printed with the first ink and has the same color tone as the first ink which does not contain a matting agent, in which the fine individual characters, various symbols, lines, halftone dots, and the like in the other areas are printed. A latent image-containing card comprising a structure printed with ink .

2. The latent image-containing card according to claim 1, wherein a matting agent having a particle size of 0.5 to 10 μm is added in an amount of 1 to 20 wt% .

  In the latent image-containing card, a pattern layer is formed on the other surface of the card base layer.

  In the latent image-containing card, a magnetic layer, a concealing layer, and a picture layer are sequentially formed on the other surface of the card base layer.

  In the invention according to claim 1, a tint block pattern layer is formed on one surface of the card base layer, and the tint block pattern layer is partially formed as a mat pattern pattern pattern layer so as to form a predetermined pattern. And the matte texture pattern layer has a continuity, so when viewed from the front of the card, it appears that the entire area of the card is printed continuously, but when the card is slanted and held over light, the matte texture pattern layer Since the portion can be seen as a latent image, it is possible to obtain a card with an excellent anti-counterfeit effect that can be discriminated visually.

  In the inventions according to claims 3 and 4, an arbitrary pattern can be printed on the other surface of the card base layer, so that the latent image has a latent image-containing card or a magnetic layer excellent in anti-counterfeiting effects and design properties. It can be an incoming card.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is a plan view showing a first embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line II of FIG. 1, FIG. 3 is a cross-sectional view corresponding to FIG. 2 showing a second embodiment of the present invention, and FIG. Is a plan view showing a third embodiment of the present invention, FIG. 5 is a sectional view taken along line II-II of FIG. 4, and FIG. 6 is a sectional view corresponding to FIG. 5 showing the fourth embodiment of the present invention. , 1 ', 1 ", 1"' are latent imaged cards, 2 is a background pattern layer, 2 'is a matte background pattern layer, 3 is an overprint layer, 3' is a matte overprint layer, 4 is a pattern layer 5 represents a transparent resin layer, 6 represents a magnetic layer, 7 represents a concealing layer, and 10 represents a card substrate layer.

  The card 1 with a latent image according to the first embodiment of the present invention has a planar shape as shown in FIG. 1 and a cross-sectional shape as shown in FIG. As shown in FIG. 4, a background pattern layer 2 is formed on the entire surface, a part of the background pattern layer 2 is a mat-like background pattern layer 2 ', and a latent image composed of a DNP pattern is formed by the mat-like background pattern layer 2'. The pattern layer 4 and the transparent resin layer 5 are sequentially laminated on the other surface of the card base layer 10. The copy-forgery-inhibited pattern layer 2 is composed of a collection of continuous fine individual patterns, and the fine individual patterns constituting the copy-forgery-inhibited pattern layer 2 at a position facing the DNP pattern are formed so as to form a latent image composed of the DNP pattern. The mat-pattern pattern pattern layer 2 ′ is formed from a mat-tone ink having the same color as that of the pattern pattern pattern layer 2. Depending on the angle at which the copy-forgery-inhibited pattern pattern layer 2 of the card is viewed, the DNP pattern formed by the matte-pattern pattern pattern layer 2 ′ can be seen as a latent image.

  The latent image-containing card 1 ′ according to the second embodiment of the present invention has a planar shape similar to that of FIG. 1 and a cross-sectional shape as shown in FIG. The second embodiment is basically the same as the first embodiment except that the magnetic layer 6, the concealing layer 7, the picture layer 4 and the transparent resin layer 5 are sequentially laminated. In the case of the second embodiment, the card base layer 10 has the magnetic layer 6 and the concealing layer 7 on the other surface, and since the magnetic layer is provided, the anti-counterfeiting effect is further improved and the design is also excellent. Card with a latent image.

  The card 1 "with a latent image according to the third embodiment of the present invention has a planar shape as shown in FIG. 4 and a cross-sectional shape as shown in FIG. As shown in FIG. 4, a background pattern layer 2 is formed on the entire surface, an overprint layer is formed on the surface of the background pattern layer 2, and a part of the overprint layer is a matte overprint layer 3 ′. Thus, a latent image composed of a DNP pattern is formed on the mat-like overprint layer 3 ′, and the pattern layer 4 and the transparent resin layer 5 are sequentially formed on the other surface of the card base layer 10. The copy-forgery-inhibited pattern layer 2 is an aggregate of fine patterns, and is formed from a DNP pattern by a mat-like overprint layer 3 ′ printed on the surface of the copy-forgery-inhibited pattern layer 2 with a mat-like overprint medium. A latent image is formed Those who are. DNP pattern formed by matte overprint layer 3 'is visible as a latent image depending on the viewing angle of the tint block pattern layer 2 of the card.

  The latent image-containing card 1 ″ ′ according to the fourth embodiment of the present invention has a planar shape as shown in FIG. 4 and a cross-sectional shape as shown in FIG. 6 is basically the same as that of the third embodiment except that it is a configuration in which the hiding layer 7, the hiding layer 7, the pattern layer 4, and the transparent resin layer 5 are sequentially laminated. Since it is provided with a magnetic layer, it can be used as a magnetic card with a latent image excellent in anti-counterfeiting effect and design.

  In Embodiments 1 to 4, the tint block printing layer is formed on the entire surface of one side of the card base layer, but the area for forming the tint block printing layer is arbitrary, and is partially on one side of the card base layer. However, it is preferable that the area for forming the tint block printing layer is large. The tint block constituting the tint block printing layer is arbitrary, and generally a continuous pattern consisting of a collection of patterns such as fine characters, various symbols, lines and halftone dots can be suitably used. In Embodiments 1 and 2, the tint block print layer 2 and the matte tint block pattern layer 2 ′ are printed using the same color tone ink, and a pattern in which a latent image is removed from the surface of the card base layer 10 The printing pattern 2 is used to form the tint block printing layer 2 with an ink that does not contain a matting agent, and at the same color tone matting ink containing a predetermined amount of matting agent, using a printing plate with a pattern of a latent image. In the third and fourth embodiments, after the background pattern printing layer 2 is formed on the card substrate layer surface 10, the latent image is formed on the surface of the background pattern printing layer 2. The overprint layer 3 is formed with a transparent overprint ink using a printing plate with a pattern from which the portion to be removed is removed, and the overprint containing a transparent matting agent is used with the printing plate with a pattern that becomes a latent image. Matte overprint layer 3 'printed with printing ink It is.

  Examples of the matting agent added to the ink for forming the matte texture pattern layer 2 ′ and the matte overprint layer 3 ′ include inorganic fine powders such as silica, calcium carbonate, barium carbonate, alumina, and glass balloon. The shape of the matting agent is arbitrary, but is preferably spherical or substantially spherical. The particle size of the matting agent can be 0.5 to 10 μm. Within the above range, it can be uniformly dispersed to form a beautiful mat surface, and a relatively smooth surface can be formed without forming conspicuous irregularities on the surface. The amount of the matting agent added to the ink is preferably 1 to 20% by weight.

  The resin that can be used as the card base layer is not particularly limited as long as it is a thermoplastic resin that is rigid and excellent in strength, but a copolymer polyester resin such as polyvinyl chloride, polyethylene terephthalate, polybutylene terephthalate, and PET-G, ABS resin or the like can be used. The card substrate layer is preferably white. When a transparent material is used, it is necessary to perform white solid printing.

The top view which shows 1st Embodiment of this invention. II sectional view taken on the line of FIG. Sectional drawing corresponding to FIG. 2 which shows 2nd Embodiment of this invention. The top view which shows 3rd Embodiment of this invention. II-II sectional view taken on the line of FIG. Sectional drawing corresponding to FIG. 5 which shows 4th Embodiment of this invention.

Explanation of symbols

1, 1 ', 1 ", 1"' Card with latent image 2 Background pattern layer 2 'Matte background pattern layer 3 Overprint layer 3' Matte overprint layer 4 Pattern layer 5 Transparent resin layer 6 Magnetic layer
7 Concealment layer
10 Card base layer

Claims (4)

A card background pattern design layer is formed over the entire surface outermost surface of one side of the card substrate layer, the tint block pattern layer is fine individual characters, various symbols, such as ten thousand lines and halftone dots The pattern is composed of a continuous set of patterns, and the patterns such as the fine individual characters, various symbols, lines and halftone dots in a part of the region exhibit a predetermined color tone including a matting agent. The second ink which is printed with the first ink and has the same color tone as the first ink which does not contain a matting agent, in which the fine individual characters, various symbols, lines, halftone dots, and the like in the other areas are printed. A card with a latent image, characterized by comprising a structure printed with ink . 2. The latent image-containing card according to claim 1, wherein a matting agent having a particle diameter of 0.5 to 10 μm is added in an amount of 1 to 20% by weight.   3. The latent image-containing card according to claim 1, wherein a pattern layer is formed on the other surface of the card base layer. 3. The latent image-containing card according to claim 1, wherein a magnetic layer, a concealing layer, and a picture layer are sequentially formed on the other surface of the card base layer.